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13229863488 = 2634172361107
BaseRepresentation
bin11000101001000111…
…11011001001000000
31021011000022200220000
430110203323021000
5204043321112423
610024441520000
7645563661402
oct142443731100
937130280800
1013229863488
115679a05286
1226927a3000
13132abb3aba
148d70c2b72
15526709843
hex3148fb240

13229863488 has 560 divisors, whose sum is σ = 44451690624. Its totient is φ = 3868508160.

The previous prime is 13229863469. The next prime is 13229863501. The reversal of 13229863488 is 88436892231.

13229863488 is a `hidden beast` number, since 1 + 3 + 2 + 298 + 6 + 348 + 8 = 666.

It is a super-2 number, since 2×132298634882 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 123643531 + ... + 123643637.

Almost surely, 213229863488 is an apocalyptic number.

13229863488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13229863488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22225845312).

13229863488 is an abundant number, since it is smaller than the sum of its proper divisors (31221827136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13229863488 is a wasteful number, since it uses less digits than its factorization.

13229863488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 213 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 13229863488 in words is "thirteen billion, two hundred twenty-nine million, eight hundred sixty-three thousand, four hundred eighty-eight".